Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

An 18th-century battery complete with original kitchen and garrison.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

In the middle of one of South America's most historic walled cities lies a bar with an enormous collection of Soviet memorabilia.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Costa Rica's best known combat zone, used during the Battle of Santa Rosa.

A Barbados crypt where it's said that the coffins refuse to stay put.

This colorful gate stands as an entrance to the walled city of Old San Juan.

At this studio, musicians, engineers, and quite possibly a music-loving ghost carry on Puerto Rico's musical traditions.

Swim or sail to this pie-slinging boat off the coast of St. Thomas.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

A glowing underwater cliff attracts marine life and divers in equal measure.

This tiny, charming synagogue in the Cayman Islands was built by a man as a present for his Jewish wife.

The decaying remains of a ship whose captain mysteriously disappeared.

The subtle interplay of fire and water is hard to ignore at this remote Jamaican spring.

Cavernous opening completely encased in Karst limestone.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This interactive sculpture allows visitors to leave a message in case a friend passes by.

A man throwing a giant severed hand towers over Antwerp’s main square.

This small corner bar is home to a rare 1930s dance organ that still plays tunes for one Euro.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.